188698068 has 72 divisors (see below), whose sum is σ = 516612096. Its totient is φ = 57729600.

The previous prime is 188698051. The next prime is 188698109. The reversal of 188698068 is 860896881.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88333 + ... + 90443.

It is an arithmetic number, because the mean of its divisors is an integer number (7175168).

Almost surely, 2^188698068 is an apocalyptic number.

188698068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188698068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258306048).

188698068 is an abundant number, since it is smaller than the sum of its proper divisors (327914028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

188698068 is a wasteful number, since it uses less digits than its factorization.

188698068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325 (or 2320 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The square root of 188698068 is about 13736.7415350221. The cubic root of 188698068 is about 573.5735966442.

The spelling of 188698068 in words is "one hundred eighty-eight million, six hundred ninety-eight thousand, sixty-eight".